SLR1.4

SLR1.4

1. Wireless access point

   • An access point is a station that transmits and receives data.
   • An access point connects users to other users within the network and also can serve as the point of interconnection between the WLAN and a fixed wire network.

2. Routers

   • Purpose of router is to connect multiple networks and forward packets destined either for its own networks or other networks.
   • A router is considered a layer-3 device because its primary forwarding decision is based on the information in the layer-3 IP packet, specifically the destination IP address.

3. Switches

   • A Network Switch is a constituent of computer network that connects two network slices and/or two network devices together.
   • Switch can be termed as a network bridge with multiple ports which helps to process and route packets at data link layer of the OSI reference model.

4. Network interface cards

   • Network Interface Cards contains the electronic circuitry required to communicate using a wired connection or a wireless connection .
   • A network interface card is also known as a network interface controller, network adapter, or Local Area Network (LAN) adapter

5. Transmission media: UTP (CAT5e/6) and fibre optic

   • Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of cancelling out electromagnetic interference (EMI) from external sources; for instance, electromagnetic radiation from unshielded twisted pair (UTP) cables, and crosstalk between neighbouring pairs ...
   • A technology that uses glass or plastic threads to transmit data. A fibre optic cable consists of a bundle of glass threads, each of which is capable of transmitting messages modulated onto light waves. ... Fibre optic cables have a much greater bandwidth than metal cables.